Polar Loop 2 vs. Fitbit Ionic vs. Amazfit Stratos vs. Garmin Vivofit 4 vs. Huawei Band 2

 
Loop 2
Ionic
Stratos
Vivofit 4
Band 2
 PolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowGarminVivofit 4Remove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$120$299$199$79.95$69.99
Release20152017201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)4+ days5 days1 year21 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250320 x 30088 x 88128 x 32
Sizen/a1.421.34 inchesNA0.91 inches
Touch
TypeLEDOLEDOLEDNAPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM50m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSProprietary
Apps
Music

All Wearables